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  • Chemistry  (1)
  • Emission spectroscopy  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A liver-function test using 15N-labelled ammonium chloride (1985)
    Springer
    European journal of nuclear medicine 11 (1985), S. 62-64 
    Details
    ISSN: 1619-7089
    Keywords: Ammonia ; Diagnosis ; Emission spectroscopy ; Isotope application ; Liver ; Nitrogen-15 ; Tracer technique ; Urea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Malfunction of the liver involves disturbances of urea synthesis and ammonia detoxification. These phenomena became apparent, especially during ammonia loading of patients. The functional state of the liver can be assessed by oral administration of 15NH4Cl and subsequent analysis of 15N-urea and 15N-ammonia in urine by emission spectrometry. Clinical tests based on the ratio of the excess abundances (see Appendix) of 15N-ammonia to 15N-urea excreted in urine 3 h after oral administration gave values for patients with liver disease which differed significantly from those for healthy subjects. Absorption disturbances, which often accompany liver diseases, do not influence the effectiveness of the method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00252134
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Beiträge zur Chemie des 2-Chloräthyl-trimethylammoniumchlorids (1969)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 311 (1969), S. 705-711 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Aus 2-Chloräthyl-trimethylammoniumchlorid 1 wird eine Reihe von Salzen hergestellt, die das gleiche kation enthalten. Weiterhin werden einige nucleophile Substitutionsreaktionen am 2-Chloräthyl-trimethylammoniumkation untersucht. β-Eliminierungen sind sowohl zum Vinyl-trimethylammoniumkation als auch zum Vinylchlorid möglich. Bei der Oxydation von 2-Chloräthyltrimethylammoniumchlorid entsteht Glykokollbetain, bei der Pyrolyse Methylchlorid.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19693110502
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    Paper (German National Licenses)
    Fulltext
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